1.   He admits to usually having a serious look on his face, though an occasional smile breaks through.

2.   A serious look came over his face.

3.   Although Linux is a fine operating system, I would encourage businesses as well as advanced enthusiasts to take a serious look at the other choices.

4.   And time enough to take a serious look at what makes them click.

5.   As the afternoon water temperature rose enough for the fish to take a more serious look at our offerings, I warmed to the adventure.

6.   Beyond hobnobbing with luminaries and networking with colleagues, the editors were taking a serious look at their business.

7.   .shtml, you will find a serious look at the religious significance, history and traditions of the most significant date on the Christian calendar.

8.   A serious look at stock market history, however, suggests that this is far from a sure thing.

9.   A serious look came onto his face.

10.   After all, this could even be a springboard for the NHL one day taking a serious look at that country.